109545540 has 48 divisors (see below), whose sum is σ = 330324288. Its totient is φ = 26964864.

The previous prime is 109545521. The next prime is 109545551. The reversal of 109545540 is 45545901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69442 + ... + 71001.

It is an arithmetic number, because the mean of its divisors is an integer number (6881756).

Almost surely, 2^109545540 is an apocalyptic number.

109545540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109545540 is an abundant number, since it is smaller than the sum of its proper divisors (220778748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109545540 is a wasteful number, since it uses less digits than its factorization.

109545540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140468 (or 140466 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 109545540 is about 10466.4005274020. The cubic root of 109545540 is about 478.4812237882.

The spelling of 109545540 in words is "one hundred nine million, five hundred forty-five thousand, five hundred forty".